Remote code execution in SAP Crystal Reports

1) Use-after-free

EUVDB-ID: #VU26154

Risk: High

CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-6208

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to a use-after-free error when parsing RPT files. A remote authenticated attacker can trick a victim to open a specially crafted RPT file or visit a malicious page and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Crystal Reports: 4.1 - 4.2

External links

http://launchpad.support.sap.com/#/notes/2861301
http://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=540935305
http://www.zerodayinitiative.com/advisories/ZDI-20-291/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.